The Grandstream GS-01 (or UGS-01) is a 3.7V Lithium-ion rechargeable battery designed for Grandstream cordless phones, including the WP810, WP820, DP730, and DP725 models. It typically features a capacity of 1200mAh to 1500mAh, providing extended talk time and standby, with dimensions around 56.80 x 35.94 x 5.43mm.
Key Specifications & Features:
Battery Type: Lithium-ion (Li-ion)
Voltage: 3.7V
Capacity: 1200mAh (4.44Wh) or 1500mAh, depending on the supplier
Compatibility: Grandstream DP730, DP725, WP810, WP820
Dimensions: Approx. 56.80 x 35.94 x 5.43mm
Safety: Often RoHS and CE compliant with overcharge and short-circuit protection
This battery is a high-quality replacement or spare for maintaining continuous operation of Grandstream Wi-Fi and DECT handsets. It is recommended to fully charge and discharge new batteries 2-3 times to optimize performance.